But the drafters of the first Imperial House Law decided not to allow women to ascend the throne in order to preserve the single line that, according to legend, is descended from the sun goddess, Amaterasu Omikami.
But Paul Sheridan of Ascend, an aviation consultancy, says that worldwide demand for air travel is growing so strongly that today's order books represent only 25-30% of the planes that airlines are likely to need in the coming 20 years.